Myoclonic jerks usually affect the whole body, with muscles on both sides of the body affected simultaneously.

Among the possible explanations for the conflicting results is that two or more viruses were simultaneously affecting the nursing home.

Mines can be hazardous environments and the possibility of fire, flood, explosion and collapse has the potential to simultaneously affect a large number of people.

A milieu of hormones simultaneously affects development of the fetus during embryogenesis and the mother, perhaps most notably human chorionic gonadotropin (hCG) and progesterone (P4).

When the central bank disburses or collects payment for these bonds, it alters the amount of money in the economy, while simultaneously affecting the price (and thereby the yield) for short-term government bonds.

These methods are useful for detecting outbreaks that simultaneously affect all parts of the geographical region under surveillance, but may be late at detecting outbreaks that start locally.

According to this hypothesis, a diachronic sound change affects simultaneously all words in which its environment is met, without exception.

As well as damaging the lungs, many viruses simultaneously affect other organs and thus disrupt other body functions.

Multiple genes may simultaneously affect behavioural traits.

Design independence between channels is pivotal in preventing fatal flaws simultaneously affecting several channels due to software misconceptions.